Protecting device for journals and bearings



Patented Apr. 25:, I899. E. B. W. REICHEL.

PROTECTING DEVICE FOR JOURNALS AND BEARINGS.

(Application filed Jan. 10, 1898.) (No'ModeL) Z72 V612 far 172% z 63. 2M Pedci Q Ihvrrno STATES PATENT Cri ics.

EMIL BERTHOLD IVALTER REICHEL, OF BERLIN, GERMANY, ASSIGNOR TO THE SIEMENS do IIALSKE ELECTRIC COMPANY OF AMERICA, OF CHICAGO,

ILLINOIS.

PROTECTING DEVICE FOR JOU RNALS AND BEARINGS.

SPECIFICATION forming part of Letters Patent No. 623,628, dated April 25, 1899.

Application filed January 10, 1898. $erial No. 666,137. (No model.)

To all whom it may concern: invention, which, with the shaft rotating in Be it known that I, EMIL BERTHOLD WAL- said journal-box, is shown in section. Fig. TER REICHEL, a subject of the Emperor of 2 is a vertical section thereof on line 2 2 of Germany, residing at Berlin, Germany, have Fig. 1. v 5 invented new and useful Improvements in Like letters of reference indicatelike parts ProtectingDevices forJournals and Bearings, in the two figures. (Case No. 138,) of which the following is a The shaft to is mounted to rotate in the specification. housing or journal-box b. Secured beneath My invention relates to improvements in a the annular shell I) is the protecting mantle IO protecting device for journals, the object of or shield 0, formed of suitable flexible n1ate-' my said invention being to provide means for rial, such as leather or felt. This shield is effectively excluding dust and foreign subannular in shape, the edges thereof being stances from the bearings of a shaft and for brought together and secured beneath the preventing the leakage of oil or other lubrishell 5, while an annular coiled spring (Z, in-

15 cant therefrom. It is frequently found necclosed in the loop thus formed in the said essary to afford such protection from dust or shield, maintains the inner face of said shield to secure the retention of oil in the hearings in extremely close engagement with the of shafts which are more or less out of true, leather collar 6, mounted to bear upon'the and in consequence the means ordinarily emshaft. The shield or mantle is closely fitted 2o ployed are not adequate for the purpose of about the spring,being sewed orriveted about obtaining these results on accountof the ecit, and a fold f is formed in said mantle or centric movement of such shafts. It accordshield between the spring and the point of atingly becomes requisite that a certain fiexitachment beneath the shell I) in order to sebility in the protecting device be provided to cure the necessary accommodation to any ee- 2 5 accommodate this slight eccentric movement centric movement or play of the shaft. The

of the shaft, while affording no hindrance to spring adapts itself to any unevenness of the the rotation thereof. Moreover, it is found shaft and maintains at all times atight joint that an absolutely dust-tight protection is between the shield and the leather collar or seldom secured for any great length of time, equivalent part attached thereto and main- 0 even under ordinary conditions. The device tained in close engagement with the rotating of my invention is designed to meet these reshaft. It will thus be seen that the bearing quirements, while serving as well to protect is thoroughly shielded against the entrance a journal-or bearing undernormal conditions, of foreign -matter, while the oil within said and may be described in brief as consisting bearing will be securely retained therein.

35 of a flexible shield or mantle or its equivalent Other'applications of the protecting device encircling the shaft and stationarily mounted than the one herein named will readily occur 8 5 in the bearings or housing of said shaft to preto a person skilled in the art. Obviously the vent the passage of dirt or oil, the free edge shield could be mounted to rotate with the of said mantle or its equivalent being mainshaft while the spring engaged a seat or part 40 tained in close engagement with the surface of upon thejournal or housing; but this arrangethe rotating shaftorequivalentpartbymeans ment or reversal of parts I do not deem as of a yielding or spring like pressure preferadvantageous as the one herein specifically ably supplied by an annular coiled spring in described and shown. I do not desire to be engagement with said shield. understood as limiting my invention to the 45 My said invention will be more readily unprecise construction set forth.

derstood by reference to the accompanying I claim as new drawings, wherein 1. In a protecting device of the class de- Figure 1 illustrates a housing or journalscribed, the combination with a housing I), of box provided with a protecting device of my a shaft a mounted therein, a doubled annuv lar mantle 0 formed of flexible material, an annular spring (I disposed in the fold of the mantle and adapted to maintain aclose joint between the inner engaging surface of the mantle and the shaft and means for securing the outer edges of the doubled mantle firmly in engagement with the housing substantially as described.

2. In a protecting device for bearings, the combination with a housing I), of a doubled annular mantle c of flexible material, means for securing the outer edges of the mantle in close engagement with the housing, said mantle being provided with a pocket or foldf permitting of a slight lateral movement of the shaft and an annular spring cl disposed within said mantle and adapted to secure a close joint between the inner surface of said mantle and the shaft, substantially as described.

3. In a protective device for bearings, the

combination with a housing b, of a doubled annular mantle c of flexible material, means for securing the outer edges of themantle in close engagement with the housing, said mantle being provided with a pocket or fold fpermitting of a slight lateral movement of the shaft, an annular spring d disposed With- 4 EMIL BER'IIIOLD WA LTE it Witnesses:

CHARLES II. DAY, HENRY I-IAsPER.

tElGllllL. 

